CVE-2018-1249 : Exploit Details and Defense Strategies

Dell EMC iDRAC9 versions prior to 3.21.21.21 did not enforce the use of TLS/SSL for a connection to the iDRAC web server for specific URLs, potentially exposing users to security risks.

Understanding CVE-2018-1249

This CVE entry highlights a vulnerability in Dell EMC iDRAC9 versions that could allow malicious actors to remove SSL/TLS protection from communication between clients and servers.

What is CVE-2018-1249?

The vulnerability in iDRAC9 versions before 3.21.21.21 allowed for non-mandatory use of TLS/SSL, enabling attackers to compromise the security of communication channels.

The Impact of CVE-2018-1249

CVSS Base Score: 6.5 (Medium Severity)
Confidentiality Impact: High
Integrity Impact: Low
Attack Vector: Network
Attack Complexity: High
This vulnerability could lead to man-in-the-middle attacks and potential data interception due to the lack of enforced TLS/SSL.

Technical Details of CVE-2018-1249

Vulnerability Description

The flaw in iDRAC9 versions allowed attackers to strip SSL/TLS protection from communication between clients and servers, posing a significant security risk.

Affected Systems and Versions

Affected Product: iDRAC9
Vendor: Dell EMC
Affected Versions: < 3.21.21.21 (unspecified/custom version)

Exploitation Mechanism

Attackers could exploit this vulnerability by intercepting communication between clients and servers, removing SSL/TLS protection.

Mitigation and Prevention

Immediate Steps to Take

Update iDRAC9 to version 3.21.21.21 or newer to enforce TLS/SSL for all connections.
Monitor network traffic for any signs of unauthorized access or data interception.

Long-Term Security Practices

Implement strict network security policies to prevent man-in-the-middle attacks.
Regularly review and update SSL/TLS configurations to ensure secure communication channels.

Patching and Updates

Apply security patches and updates provided by Dell EMC to address this vulnerability.